Engine-Codes - Lexus - P0C74 Lexus

P0C74 Lexus Code - Motor Electronics Coolant Pump 'B' Control Performance

- Code Popularity: 1,060 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code P0C74 Lexus?

  • Faulty Inverter cooling system
  • Inverter cooling system harness is open or shorted
  • Inverter cooling system circuit poor electrical connection
  • Inverter water pump assembly
  • Power management control ECU

|How to Fix the P0C74 Lexus Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the Cost to Diagnose the Code P0C74 Lexus?

Labor: 1.0

The cost to diagnose the P0C74 Lexus code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|What are Code P0C74 Lexus Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)

|What Does the P0C74 Lexus Code Mean?

The inverter water pump assembly transmits rotation speed information to the power management control ECU (HV CPU). The power management control ECU (HV CPU) monitors the speed and detects malfunctions.

P0C74 Lexus Code - Motor Electronics Coolant Pump 'B' Control Performance

|Need more Information on the P0C74 Lexus Code?

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|Need Help with the P0C74 Lexus Code?

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